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OWNER’S MANUAL Read this manual carefully before operating this outboard motor. 63B-28199-7N-E0...
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EMU25053 Read this manual carefully before operating this outboard motor. Keep this manual onboard in a waterproof bag when boating. This manual should stay with the outboard motor if it is sold.
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Any damage tain maximum enjoyment from your new resulting from neglect of these instructions is Yamaha. If you have any question about the not covered by warranty. operation or maintenance of your outboard Some countries have laws or regulations re- motor, please consult a Yamaha dealer.
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Table of contents Safety information......1 Battery specifications ......12 Propeller selection ......12 Outboard motor safety ..... 1 Start-in-gear protection ....13 Propeller ..........1 Rotating parts ........1 Engine oil requirements ....13 Hot parts..........1 Why Yamalube ........13 Electric shock ........
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Table of contents Tilt support lever for power trim and Engine shut-off cord (lanyard) ... 40 tilt model......... 26 Oil ............40 Tilt support lever for manual tilt Engine ..........40 model ..........26 Operation after long period of Cowling lock lever(s) (turn type)..26 storage ...........
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Table of contents Shallow water ........ 61 Engine fails to operate ....86 Power trim and tilt models ....61 Cold engine fails to start ....86 Cruising in other conditions.... 62 Treatment of submerged motor ..88 Maintenance........63 INDEX ..........
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Safety information shock or electrocution. EMU33623 Outboard motor safety Observe these precautions at all times. EMU33662 Power trim and tilt Body parts can be crushed between the mo- EMU36502 Propeller tor and the clamp bracket when the motor is People can be injured or killed if they come trimmed or tilted.
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Gasoline exposure and spills Have an approved PFD on board for every Take care not to spill gasoline. If gasoline occupant. Yamaha recommends that you spills, wipe it up immediately with dry rags. must wear a PFD whenever boating. At a Dispose of rags properly.
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Do not follow directly behind other boats or found, return to the nearest harbor at low waterskiers. speed and have a Yamaha dealer inspect Avoid sharp turns or other maneuvers that the outboard motor. make it hard for others to avoid you or un- derstand where you are going.
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Safety information EMU33791 Weather Stay informed about the weather. Check weather forecasts before boating. Avoid boating in hazardous weather. EMU33881 Passenger training Make sure at least one other passenger is trained to operate the boat in the event of an emergency.
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Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor is sto- len. 1. Key number...
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General information EMU38995 CE Marking This label is affixed to outboard motors that conform to European regulations. Outboard motors affixed with this “CE” mark- conform with directives 2006/42/EC, 94/25/EC 2003/44/EC, 2014/30/EU, and 2004/108/EC, 2013/53/EU. 1. CE marking location ZMU06040...
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Read any manuals supplied with the boat. Read all labels on the outboard motor and the boat. If you need any additional information, contact your Yamaha dealer. EMU33836 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements. ZMU07315...
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General information 6EE-H1994-40 6EE-H1995-40 6EE-H1994-50 6EE-H1995-50 6EE-G2794-40 6EE-G2794-50 ZMU05706 EMU33913 Contents of labels EWM01672 The above warning labels mean as follows. Read Owner’s Manuals and labels. EWM01692 Wear an approved personal flotation device (PFD). Emergency starting does not have start- Attach engine shut-off cord (lanyard) to ...
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General information Electrical hazard EMU33844 Symbols The following symbols mean as follows. Notice/Warning ZMU05666 Remote control lever/gear shift lever operat- ing direction, dual direction ZMU05696 Read Owner’s Manual ZMU05667 Engine start/ Engine cranking ZMU05664 Hazard caused by continuous rotation ZMU05668 ZMU05665...
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Specifications and requirements Power unit: EMU38092 Specifications Type: TIP: 2-stroke L3 Total displacement: “(AL)” stated in the specification data below 698 cm (42.6 c.i.) represents the numerical value for the alumi- Bore stroke: num propeller installed. 67.0 66.0 mm (2.64 2.60 in) Ignition system: EMU48360 Dimension and weight:...
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Specifications and requirements Fuel and oil: EMU33556 Installation requirements Recommended fuel: Regular unleaded gasoline EMU33566 Min. research octane number (RON): Boat horsepower rating EWM01561 Fuel tank capacity: 24 L (6.34 US gal, 5.28 Imp.gal) Overpowering a boat can cause severe Recommended engine oil: instability.
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EMU25695 Battery requirements appropriate. Your Yamaha dealer can help you select the right propeller for your boating needs. Select EMU25723 Battery specifications a propeller that will allow the engine to reach...
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Yamaha’s experience gained over many years of research and development into oil since the 1960’s helps make Yama- ZMU04607 lube the best choice for your Yamaha en- 1. Propeller diameter in inches gine. 2. Propeller pitch in inches 3. Type of propeller (propeller mark)
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EMU36881 Muddy or acidic water Yamaha strongly recommends that you have your dealer install the optional chromium- plated water pump kit if you use the outboard motor in muddy or acidic water conditions.
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(including metric sizes), and electrical tape. Waterproof flashlight with extra batteries. An extra engine shut-off cord (lanyard) with clip. Spare parts, such as an extra set of spark plugs. Consult your Yamaha dealer for details.
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Components EMU46722 Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). 40VMHO ZMU03344 1. Manual starter handle 16. Fuel tank* 2. Tiller handle* 3. Choke knob 4.
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Components 40VEO 1. Oil tank filler cap 2. Alert indicator(s) 3. Tilt lock lever 4. Clamp screw 5. Trim rod 6. Battery cable 7. Propeller 8. Cooling water inlet 9. Trim tab (anode) 10. Anti-cavitation plate 11. Anode 12. Tilt support lever 13.
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Components 50HETO EWM00021 1. Oil tank filler cap 2. Battery cable The fuel tank supplied with this engine is 3. Anode(s) its dedicated fuel reservoir and must not 4. Propeller 5. Cooling water inlet be used as a fuel storage container. Com- 6.
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Components ZMU01723 ZMU02284 1. Fuel joint 1. Power trim and tilt switch 2. Fuel gauge 2. Remote control lever 3. Fuel tank cap 3. Neutral interlock trigger 4. Air vent screw 4. Neutral throttle lever 5. Main switch EMU25831 6. Engine shut-off switch Fuel joint 7.
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Components when the neutral throttle lever is in the closed 6. Throttle position. 7. Fully open EMU26202 EMU25914 Neutral interlock trigger Tiller handle To shift out of neutral, first pull the neutral in- To change direction, move the tiller handle to terlock trigger up.
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Components difficult to move the remote control lever or throttle grip, which could result in an accident. [EWM00033] EMU25963 Throttle indicator ZMU03095 The fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position. Choose the setting that offers the best performance and fuel economy for the desired operation.
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Components clothing that could tear loose. Do not when the button is pushed. route the cord where it could become en- tangled, preventing it from functioning. Avoid accidentally pulling the cord dur- ing normal operation. Loss of engine power means the loss of most steering control.
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Components set according to operator preference. An ad- EMU26092 Main switch juster lever is located on the bottom of the til- The main switch controls the ignition system; ler handle bracket. its operation is described below. To increase resistance, turn the lever to the ”...
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Components ZMU01720 ZMU02908 To increase resistance, turn the adjuster clockwise. To decrease resistance, turn the adjuster counterclockwise. EWM00041 Do not overtighten the friction adjuster. If there is too much resistance, it could be difficult to steer, which could result in an accident.
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Components operator, increasing the risk of collision with another boat or an obstacle. ZMU03097 1. Trim tab 2. Bolt ZMU03096 Bolt tightening torque: EMU26246 18 N·m (1.8 kgf·m, 13 lb·ft) Trim tab with anode EWM00841 EMU26263 Trim rod (tilt pin) An improperly adjusted trim tab could The position of the trim rod determines the cause difficult steering.
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Components EMU30202 Tilt support lever for manual tilt model To keep the outboard motor in the tilted up position, lock the tilt support lever to the clamp bracket. ZMU06790 1. Tilt lock lever To lock it, set the tilt lock lever in the lock po- sition.
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Components ZMU02862 1. Cowling lock lever(s) EMU26305 Alert indicator If the engine develops a condition which is cause for alert, the indicator lights up. For details on how to read the alert indicator, see page 32. ZMU03361 1. Alert indicator ZMU03360 1.
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Instruments and indicators EMU36016 Indicators EMU26292 Alert indicator for three indicators If the engine develops a condition which is cause for alert, the indicator on the front of the bottom cowling lights up. The three indi- cators mounted on the bottom cowling also indicate the engine oil level.
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Instruments and indicators ZMU01891 ZMU01869 1. Tachometer EMU26652 2. Trim meter Hour meter 3. Hour meter This meter shows the number of hours the 4. Oil level indicator engine has been run. It can be set to show 5. Overheat-alert indicator the total number of hours or the number of 6.
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Instruments and indicators the oil level falls below the lower limit, the alert indicator will start to blink. For further in- formation, see page 33. ECM00031 Do not operate the engine without oil. Se- rious engine damage will occur. ZMU01868 1.
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Instruments and indicators ZMU04580 1. Oil level indicators EMU26612 Analog trim meter This gauge shows the trim angle of your out- board motor. ZMU04581 Memorize the trim angles that work best for your boat under different conditions. Adjust the trim angle to the desired setting with the power trim and tilt switch.
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EMU26806 Alert system ECM00093 Do not continue to operate the engine if an alert device has activated. Consult your Yamaha dealer if the problem cannot be located and corrected. ZMU01757 EMU43754 Overheat alert The buzzer will sound (if equipped on the ...
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Engine control system EMU2684B Oil level alert and oil filter clogging alert Oil injection models This engine has an oil level alert system. If the oil level falls below the lower limit, the alert system will activate. Activation of alert device Engine speed will automatically decrease ...
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Engine control system ZMU06661 1. Oil filter ZMU06662 1. Oil filter...
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(keel line) of the boat. optimum mounting height. Consult your Yamaha dealer or boat manufacturer for fur- ther information on determining the proper mounting height.
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(if packed). For details, consult board motor because they could be- your Yamaha dealer. WARNING! Avoid come loose due to engine vibration. using bolts, nuts or washers other WARNING!
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Installation packaging. If used, they must be of at least the same quality of material and strength and must be tightened se- curely. After tightening, test run the engine and check their tightness. [EWM00652] ZMU03185 1. Bolts...
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5 minutes at a time. (5) After the first 10 hours: Operate the engine normally. Use only straight gasoline in the fuel tank. The Yamaha oil injection system provides proper lubrication for normal operation. EMU36402 Getting to know your boat...
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If any water is found in the fuel, or if a the top cowling, release the cowling lock le- significant amount of debris is found, the fuel ver and lift off the top cowling. tank should be checked and cleaned by a Yamaha dealer. ZMU06084 ZMU06150 EMU36443 Fuel system...
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After any air in the oil lines has been expelled, the oil injection system should supply oil normally. If no oil is flowing after 10 minutes of idling, consult your Yamaha dealer. 1. Clip 2. Engine shut-off cord (lanyard) EMU27121...
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If the top cowling is loose, have it repaired by your ZMU07311 Yamaha dealer. 1. Trim and tilt rod (2) Operate each of the power trim and tilt switches to check that all switches work.
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EMU36585 Battery Check the battery’s charge. If your boat is equipped with a Yamaha digital speedome- ter, the voltmeter and low battery alert func- tions will help you monitor the battery’s charge. A battery in good condition will pro- vide a minimum of 12 volts.
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Filling oil for manual starter model Do not add gasoline into the oil tank. Fire EWM00531 or explosion could result. This engine uses the Yamaha oil injection Do not add gasoline into the oil tank. Fire system, which provides superior lubrication or explosion could result.
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Operation ZMU03369 (2) Open the oil tank filler cap by pulling the tab on the cap. ZMU03370 (3) Slowly pour the engine oil into the en- gine oil tank. ZMU03371 1. Oil filler access cap 2. Oil tank filler cap (4) After filling, replace the all caps secure-...
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Operation EMU27322 Oil level indicator operation The various functions of the oil level system are as follows: EMU27343 Manual start models Oil level-alert indicator Engine oil tank Remarks more than 200 cm No refilling necessary. (0.21 US qt, 0.181 Imp qt) Buzzer sounds in ...
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Operation joint on the motor and firmly connect the EMU27453 Operating engine fuel line to the joint while pinching the joint. Then firmly connect the other end EWM00421 of the fuel line to the joint on the fuel Before starting the engine, make sure ...
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Operation (1) Place the gear shift lever in neutral. 1. Arrow TIP: EMU27495 The start-in-gear protection device prevents Starting engine the engine from starting except when in neu- EWM01601 tral. (2) Attach the engine shut-off cord to a se- Before starting the engine, make sure cure place on your clothing, or your arm that the boat is tightly moored and that or leg.
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Operation ZMU03279 (4) Pull out / turn the choke knob fully. After (6) After the engine starts, slowly return the the engine starts, replace / return the manual starter handle to its original posi- knob to the home position. tion before releasing it. (7) Slowly return the throttle grip to the fully closed position.
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Operation EMU27597 Electric start / prime start models EWM01842 Failure to attach the engine shut-off cord could result in a runaway boat if operator is ejected. Attach the engine shut-off cord to a secure place on your clothing, or your arm or leg while oper- ating.
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Operation keep the starter motor turning for more than 5 seconds. If the starter motor is turned continuously for more than 5 seconds, the battery will be quickly discharged, thus making it impossible to start the engine. The starter can also be damaged. If the engine will not start after 5 seconds of cranking, return the main switch to ZMU01771...
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“ ” (start) blocked. Consult your Yamaha dealer if while the engine is running. Do not the problem cannot be located and cor- keep the starter motor turning for rected.
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Operation idle speed can prevent you from shifting EMU27705 Electric start and prime start models back to neutral. If this occurs, stop the After starting the engine, allow it to idle for 3 engine, shift to neutral, then restart the minutes to warm up.
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Operation 32˚ 32˚ ZMU05460 (2) After the engine is at idle speed in gear move the remote control lever / gear shift lever firmly and crisply into the neu- tral position. To shift from in gear (forward/reverse) to neutral (1) Close the throttle so that the engine ZMU01771 slows to idle speed.
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Operation you to lose control, be ejected, or im- pact the steering wheel or other parts of the boat. This could increase the risk of serious injury. It could also damage the shift mechanism. Do not shift into reverse while traveling ...
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Operation ZMU02301 (4) Remove the key if the boat will be left un- attended. TIP: The engine can also be stopped by pulling the cord and removing the clip from the en- gine shut-off switch, then turning the main switch to “ ”...
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Operation EMU27889 Adjusting trim angle (Power trim and tilt) EWM00754 Be sure all people are clear of the out- board motor when adjusting the trim angle. Body parts can be crushed be- tween the motor and the clamp bracket when the motor is trimmed or tilted.
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Operation Bow Up Too much trim-out puts the bow of the boat too high in the water. Performance and econ- omy are decreased because the hull of the boat is pushing the water and there is more air drag. Excessive trim-out can also cause the propeller to ventilate, which reduces per- formance further, and the boat may “por- poise”...
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Operation motor trim angle may have little effect on the shift lever in neutral. trim of the boat when operating. EMU27936 Tilting up and down If the engine will be stopped for some time or if the boat is moored in shallows, the out- board motor should be tilted up to protect the propeller and lower casing from damage by collision with obstructions, and also to re-...
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Operation cannot be trailered in the normal run- (2) Press the power trim and tilt switch “ ” ning position, use an additional sup- (up) until the outboard motor has tilted port device to secure it in the tilt up completely. position.
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Operation tilt unit or in the power tilt unit loses pressure. NOTICE: Do not use [EWM00263] the tilt support lever or knob when trailering the boat. The outboard mo- tor could shake loose from the tilt support and fall. If the motor cannot be trailered in the normal running po- sition, use an additional support de- vice to secure it in the tilt position.
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Operation above the surface of the water when set- ting up for and cruising in shallow water. Otherwise severe damage from overheat- ing can result. EMU32914 Procedure for power trim and tilt models (1) Place the remote control lever / gear shift lever in neutral.
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Cruising in muddy, turbid, or acidic water Yamaha strongly recommends that you use the optional chromium-plated water pump kit (see page 14) if you use the outboard motor in acidic water or water with a lot of sediment in it, such as muddy or turbid (cloudy) water.
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EMU30273 Storing outboard motor ficulty or malfunction. When storing your Yamaha outboard motor When storing or transporting the outboard for prolonged periods of time (2 months or motor, make sure to follow the procedure list- longer), several important procedures must ed below.
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Maintenance It is advisable to have your outboard motor serviced by an authorized Yamaha dealer prior to storage. However, you, the owner, with a minimum of tools, can perform the fol- lowing procedures. ECM01412 Do not place the outboard motor on its ...
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When cleaning the outboard motor, the top to perform a maintenance procedure, cowling must be installed. have a Yamaha dealer or other qualified (1) Wash the exterior of the outboard motor mechanic do the work. using fresh water. NOTICE: Do not The procedures involve disassembling spray water into the air intake.
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EMU28512 Replacement parts If replacement parts are necessary, use only genuine Yamaha parts or parts of equivalent design and quality. Any part of inferior quality may malfunction, and the resulting loss of control could endanger the operator and passengers.
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be flushed with clean water after each use. The “ ” symbol indicates the check-ups which you may carry out yourself. The “ ” symbol indicates work to be carried out by your Yamaha dealer. Initial Every Item Actions...
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Cooling water inlet Inspection Main switch/stop Inspection or replace- switch/choke switch ment as necessary Wire harness connec- Inspection or replace- tions/wire coupler con- ment as necessary nections (Yamaha) Meter/gauge Inspection Fuel tank (Yamaha por- Inspection and clean- table tank) ing as necessary...
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Maintenance EMU34452 Maintenance chart 2 Every Item Actions 1000 hours Exhaust guide/exhaust Inspection or replace- manifold ment as necessary...
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Maintenance EMU28945 Greasing Yamaha grease A (water resistant grease) Yamaha grease D (corrosion resistant grease; for propeller shaft) 40VMHO ZMU03415...
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Do not should replace the spark plug with an- attempt to diagnose any problems yourself. other of the correct type. WARNING! Instead, take the outboard motor to a When removing or installing a spark Yamaha dealer. You should periodically re-...
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For cleaning or replacement of the (3) Be sure to use the specified spark plug, fuel filter, consult your Yamaha dealer. otherwise the engine may not operate properly. Before fitting the spark plug, measure the electrode gap with a wire thickness gauge;...
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For idle speed specifications, see page 10. If you have difficulty verifying the idle speed, or the idle speed requires ZMU04989 adjustment, consult a Yamaha dealer or other qualified mechanic. 1. Drain hose 2. Filler neck side EMU29062...
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Maintenance switch if your boat has one. EMU30663 Removing propeller Do not use your hand to hold the propeller EMU29198 Spline models when loosening or tightening the propeller (1) Straighten the cotter pin and pull it out nut. Put a wood block between the anti-cavi- using a pair of pliers.
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NOTICE: Do not reuse the cotter pin. can indicate lower unit problem. Con- Otherwise, the propeller can come off sult your Yamaha dealer. [ECM01901] during operation. [ECM01892]...
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Tightening torque: case may be damaged. Have a 7 N·m (0.7 kgf·m, 5.2 lb·ft) Yamaha dealer check and repair the outboard motor. [ECM00714] (7) Put a new gasket on the gear oil drain TIP: screw.
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EMU29318 Inspecting and replacing anode(s) doing this procedure, consult your Yamaha dealer. Yamaha outboard motors are protected from Keep away from sparks, cigarettes, corrosion by sacrificial anodes. Inspect the flames, or other sources of ignition external anodes periodically. Remove scales when cleaning the fuel tank.
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Consult a functions will help you monitor the bat- Yamaha dealer for inspection and replace- tery’s charge. If the battery needs charg- ment of internal anodes attached to the pow- ing, consult your Yamaha dealer.
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Maintenance nect the black battery cable to the NEG- ATIVE (-) terminal. 1. Red cable 2. Black cable 3. Battery (3) The electrical contacts of the battery and cables must be clean and properly con- nected, or the battery will not start the engine.
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Q. Has fuel pump malfunctioned? If your outboard motor requires repair, bring A. Have serviced by a Yamaha dealer. it to your Yamaha dealer. If the engine trouble-alert indicator is flash- Q. Are spark plug(s) fouled or of incorrect ing, consult your Yamaha dealer.
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Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is carburetor clogged? A. Have serviced by a Yamaha dealer. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Is fuel joint connection incorrect? A.
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Q. Is fuel system obstructed? Q. Is water pump or thermostat faulty? A. Check for pinched or kinked fuel line or A. Have serviced by a Yamaha dealer. other obstructions in fuel system. Q. Is there excess water in fuel filter cup? Q.
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(3) Whether damage is found or not, return Q. Is steering pivot loose or damaged? to the nearest harbor slowly and careful- A. Tighten or have serviced by a Yamaha dealer. (4) Have a Yamaha dealer check the out- board motor before operating it again.
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If the starter mechanism does not operate 3. Spare fuse (20 A) (the engine cannot be cranked with the start- Consult your Yamaha dealer if the new fuse er), the engine can be started with an emer- immediately blows again.
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Trouble Recovery Avoid accidentally pulling the cord dur- (3) Remove the starter/flywheel cover after ing normal operation. Loss of engine removing the bolt(s). power means the loss of most steering control. Also, without engine power, the boat could slow rapidly. This could cause people and objects in the boat to be thrown forward.
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Trouble Recovery ON START ZMU03429 ZMU01906 (5) If equipped the choke knob, pull out it EMU29672 Engine fails to operate when the engine is cold. After the engine starts, gradually return the choke knob to its home position as the engine warms EMU29707 Cold engine fails to start If the engine fails to start when it is cold, use...
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Trouble Recovery ON START OPEN CLOSE ZMU03144 ZMU03141 (6) Turn the main switch to “ ” (start). (3) Squeeze the primer pump two or three NOTICE: Never turn the main switch times to feed fuel. to “ ” (start) while the engine is running.
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EMU33502 Treatment of submerged motor If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise some corrosion may begin almost immedi- ately. NOTICE: Do not attempt to run the outboard motor until it has been com- pletely inspected.
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INDEX Alcohol and drugs ........2 EC Declaration of Conformity (DoC)..5 Alert indicator........27 Electric shock.......... 1 Alert indicator for three indicators ..28 Emergency equipment ......15 Alert system .......... 32 Emergency starting engine ....85 Analog tachometer........ 30 Emergency, temporary action in ...
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INDEX Outboard motor serial number ....5 Overheat alert ........32 Identification numbers record ....5 Overheat-alert indicator ....28, 30 Idle speed, inspecting ......72 Overloading ..........3 Impact damage ........83 Installation requirements....... 11 Instruments and indicators....28 Passengers ..........
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